X-Linked Inheritance. X-Linked Inheritance. Traits that are determined by alleles carried on the X chromosome are referred to as X-linked. X-linked alleles require a specific notation: X c or X + where the â+â represents the dominant allele and the lowercase letter the recessive allele.
Owners of the Swiss cheese plant may wonder about its unusual appearance ( RF Company / Alamy) Swiss cheese plants are climbers that grow in the understorey of tropical American forests and are technically hemiepiphytes. That is, they start off in the ground like any normal plant.
In 1845, a band of Swiss immigrants settled in Green County, Wisconsin and started the manufacturing of foreign cheese in America. Most Wisconsin farmers began to believe that their future survival was tied to cheese and their first factory was a Limburger plant which opened in 1868.